| Value | Category | Cases | |
|---|---|---|---|
| 1 | purchased | 310 |
18.9%
|
| 2 | constructed | 781 |
47.6%
|
| 3 | inherited | 216 |
13.2%
|
| 4 | privatized according to the law of 1994 | 321 |
19.5%
|
| 5 | other | 12 |
0.7%
|
| 7 | don't know | 2 |
0.1%
|
| 8 | don't answer | 0 |
0%
|
| Sysmiss | 140 |